1-2

Edit 0 61 …
Elements, Scientific Notation, Significant Figures, Chem/Physical Changes/Properties<---Previous Assignment - Next Assignment--->


Time Length
  • 1 Block
Warm Up
  • Unit 1: Block 2 Warm Up

    Use the periodic table on your STAAR Chart (in the trays in the office supply cabinet) or the large ones on the wall to find the symbols for the following elements.

  1. aluminum
  2. bromine
  3. calcium
  4. carbon
  5. chlorine
  6. copper
  7. gold
  8. helium
  9. hydrogen
  10. iodine
  11. iron
  12. lead
  13. magnesium
  14. mercury
  15. neon
  16. nickel
  17. nitrogen
  18. oxygen
  19. phosphorus
  20. potassium
  21. silicon
  22. sodium
  23. sulfur
  24. tin
  25. zinc
  26. lithium
  27. beryllium
  28. boron
  29. fluorine
  30. argon
  31. scandium
  32. titanium
  33. vanadium
  34. chromium
  35. manganese
  36. cobalt
  37. gallium
  38. germanium
  39. arsenic
  40. selenium
  41. krypton
  42. rubidium
  43. strontium
  44. zirconium
  45. silver
  46. antimony
  47. magnesium
  48. hydrogen


Instructions

Review all notes or tutorial videos below if needed.
Complete the practice problems with no more than 1 partner (unless you get stuck).
Turn in 1 paper per person.
Quiz over Scientific Notation & Significant Figures at end of class.

Significant Figures

  • Notes
  • Tutorial Video
  • How many significant figures in the following numbers?
    1. 3423.34
    2. 2304.3
    3. 2050
    4. .0342
    5. 3434.34340
    6. 4
    7. 400
    8. .4
    9. .40
    10. .400
    11. 10000000000
    12. 1
    13. 1.00
    14. 304050607
    15. 99
    16. number of doors in this room
    17. number of glass cabinets in this room
    18. number of drawers in this room
    19. number of chairs and stools in this room
    20. number of people cooler than Mr. Bair (hint the answer is zero, but not according to his wife =))

Scientific Notation

  • Notes
  • Convert the following numbers into scientific notation:
    1. 3400
    2. 0.000023
    3. 101000
    4. 0.010
    5. 45.01
    6. 1000000
    7. 0.00671
    8. 450
    Convert the following numbers into standard notation:
    1. 2.3 x 104
    2. 1.76 x 10-3
    3. 1.901 x 10-7
    4. 8.65 x 10-1
    5. 9.11 x 103
    6. 5.4 x 101
    7. 1.76 x 1012
    8. 7.4 x 10-5
    Add or Multiply the following
    1. 3.8 x 104 + 2.3 x 103
    2. 3.8 x 104 x 2.3 x 103
    3. 7.8 x 106 - 5.9 x 105
    4. 1.9 x 102 / 6.4 x 109